Posted by Cheryl on Tuesday, April 13, 2010 at 2:43pm.
Is this a correct answer, I'm trying to integrate the marginal revenue function to get the function for total revenue.
R'(x)=(30/(2x +1)^2)+30
=R(x)=(15/2x+1)+30x

calculus  Reiny, Tuesday, April 13, 2010 at 3:17pm
yes, but don't forget to add a constant C